Big cat Leo80M - also called Nikolay - prepares for flight to Moscow and 'noble mission'.
Environmentalists rescued the male cub after its mother apparently died in unexplained circumstances.
Hunting inspector Vladimir Malkov rescued the wild animal as a baby after its mother perished in wildfires.
Alpha male big cat - believed to be at least 15 years old - ready to get back to saving his endangered species.
Russian girl Anna, 13, and boy Timofei, 5, rescued from torment by diplomats in Kyrgyzstan after mother's 'murder’.
Pavel Fomenko in hospital after attack by endangered big cat.
Vets fight for life of the young male Amur leopard.
Human eye surgeon takes part in operation to give cub the chance to go back to its natural habitat.
Driver spots big cat at side of busy road, alerts police, and young male is tranquillised.
Big cat had preyed on domestic dogs in Russia and China, but will now be mated with older tigress Prima in Rostov.